Staff Backend Engineer – Fulfillment & Logistics

New
Remote-first within Germany, with the option to work remotely up to 180 days per year from suitable countries (Malaysia, United Kingdom, United States mentioned)Full-TimeStaff
Salary not disclosed
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Job Details

Languages
English
Required Skills
SQLMongoDBC#GrafanaPrometheusRESTful APIs

Requirements

  • Proven experience building and operating robust, scalable backend services in production using C# and .NET 8+.
  • Expertise in modern .NET patterns, including async/await, Dependency Injection, and Clean Architecture.
  • Solid knowledge of CQRS and Domain-Driven Design (DDD).
  • Strong MongoDB skills, specifically in data modeling and performance tuning for large datasets.
  • Advanced SQL knowledge with experience in complex, performant query design.
  • Practical experience designing and consuming REST APIs.
  • Hands-on experience with Prometheus and Grafana for metrics, dashboards, and alerting.
  • Familiarity with AI-assisted and automation-driven development workflows.
  • Good English communication skills.

Responsibilities

  • Develop and advance the FFN/TDN REST API from design to production.
  • Build integrations with JTL-Wawi, ensuring seamless interaction between backend services and client behavior.
  • Support complex business and synchronization scenarios while resolving production incidents.
  • Deploy and operate APIs via CI/CD pipelines, focusing on performance, observability, and security.
  • Maintain full operational responsibility (You build it, you run it) for the applications owned.
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